Mapas de la Vía Láctea

Muddy Creek in Edgewater, Maryland is the site of a major makeover. The land around the stream has worn down. Find out what caused Muddy Creek to erode, and the many steps involved in saving it. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process, from the initial research and brainstorming sessions, through the design and testing ...

This book uses intriguing primary sources to teach students about rules and why following them is important. The primary source images and simple sentences will engage students in reading and build their social studies content knowledge. For use in the classroom or at home, this Spanish book includes a simple glossary and index to introduce informational text features to young readers and provide additional reading support.

Quinto título de la colección "Enigmas". ¡Nuevos enigmas para resolver! Pon a prueba tu capacidad para resolver misterios, esta vez con 25 enigmas de la ciencia. Cada enigma responde a una teoría o principio científico. Resuelve los misterios y conviértete en un verdadero científico. ¡Juega, experimenta y aprende!

This book looks at the numbers in Spanish. Main text on each page is provided only in Spanish, with simple, labeled photographs providing support. A "dictionary" spread at the end of the book features all the vocabulary words in both Spanish and English, and also includes a pronunciation guide.

¿Qué ocurre cuándo la superstición y la fantasía se cruzan con la crueldad? Descubre los casos más espeluznantes de la historia del true crime. Creer que los monstruos existen solo en el folklore nos da cierta tranquilidad. Sin embargo, la historia está llena de criaturas más crueles que los de las propias leyendas. Hombres y mujeres de carne y hueso que, creyéndose brujas, vampiros u hombres lobo, perpetraron crímenes que estremecieron a la humanidad. Entre las filas de asesinos más despiadados del mundo, se encuentran monstruos tan reales como la vampira Elizabeth Bathory, que...